Solar Pro vs Amazon Nova Micro

Compare Solar Pro and Amazon Nova Micro: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All Upstage models All Amazon models What is an LLM API? Python Quickstart What is inference?
Feature Solar Pro Amazon Nova Micro
CategoryOpen SourceCompact
Parameters22B~8B
Context Window32K128K
Input Price$0.02/1M tokens$0.001/1M tokens
Output Price$0.04/1M tokens$0.004/1M tokens
Latency~180ms~50ms

Choose Solar Pro when:

  • ✓ General purpose
  • ✓ Korean content
  • ✓ Chatbots
Key Strengths:

Good instruction following, Compact, Efficient

Choose Amazon Nova Micro when:

  • ✓ Classification
  • ✓ Intent detection
  • ✓ Preprocessing
Key Strengths:

Cheapest inference, Ultra-fast, Text-only

Verdict: Solar Pro vs Amazon Nova Micro

For cost efficiency, Amazon Nova Micro wins at $0.001/1M input tokens. For speed, Solar Pro is faster at ~180ms. Solar Pro excels at General purpose while Amazon Nova Micro is better for Classification. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Solar Pro costs $0.02/1M input tokens and $0.04/1M output tokens. Amazon Nova Micro costs $0.001 input and $0.004 output. Amazon Nova Micro is 20.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Solar Pro has a 32K context window with ~180ms latency. Amazon Nova Micro offers 128K context at ~50ms. Amazon Nova Micro has the larger context window.

Best For

Solar Pro (Open Source) is optimized for: General purpose, Korean content, Chatbots. Amazon Nova Micro (Compact) works best for: Classification, Intent detection, Preprocessing.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Solar Pro
response_a = client.chat.completions.create(
    model="solar-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Amazon Nova Micro
response_b = client.chat.completions.create(
    model="amazon-nova-micro",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Solar Pro or Amazon Nova Micro?

Solar Pro (Open Source, 22B) offers Good instruction following. Amazon Nova Micro (Compact, ~8B) offers Cheapest inference. Choose Solar Pro for General purpose or Amazon Nova Micro for Classification.

How much does Solar Pro cost vs Amazon Nova Micro?

Solar Pro: $0.02/1M input, $0.04/1M output. Amazon Nova Micro: $0.001/1M input, $0.004/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Solar Pro and Amazon Nova Micro by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.